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  <title>Sets the activation function for all of the hidden layers</title>

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  <h1 class="refname">fann_set_activation_function_hidden</h1>
  <p class="verinfo">(PECL fann &gt;= 1.0.0)</p><p class="refpurpose"><span class="refname">fann_set_activation_function_hidden</span> &mdash; <span class="dc-title">Sets the activation function for all of the hidden layers</span></p>

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 <div class="refsect1 description" id="refsect1-function.fann-set-activation-function-hidden-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="type">bool</span> <span class="methodname"><strong>fann_set_activation_function_hidden</strong></span>
    ( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$ann</code></span>
   , <span class="methodparam"><span class="type">int</span> <code class="parameter">$activation_function</code></span>
   )</div>

  <p class="para rdfs-comment">
   Sets the activation function for all of the hidden layers.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.fann-set-activation-function-hidden-parameters">
  <h3 class="title">参数</h3>
  <dl>

   
    <dt>
<em><code class="parameter">ann</code></em></dt>

    <dd>

     <p class="para">Neural network <span class="type"><a href="language.types.resource.html" class="type resource">resource</a></span>.</p>
    </dd>

   
   
    <dt>
<em><code class="parameter">activation_function</code></em></dt>

    <dd>

     <p class="para">
      The <a href="fann.constants.html#constants.fann-activation-funcs" class="link">activation functions</a> constant.
     </p>
    </dd>

   
  </dl>

 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.fann-set-activation-function-hidden-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">Returns <strong><code>TRUE</code></strong> on success, or <strong><code>FALSE</code></strong> otherwise.</p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.fann-set-activation-function-hidden-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="function.fann-set-activation-function.html" class="function" rel="rdfs-seeAlso">fann_set_activation_function()</a> - Sets the activation function for supplied neuron and layer</span></li>
    <li class="member"><span class="function"><a href="function.fann-set-activation-function-layer.html" class="function" rel="rdfs-seeAlso">fann_set_activation_function_layer()</a> - Sets the activation function for all the neurons in the supplied layer.</span></li>
    <li class="member"><span class="function"><a href="function.fann-set-activation-function-output.html" class="function" rel="rdfs-seeAlso">fann_set_activation_function_output()</a> - Sets the activation function for the output layer</span></li>
    <li class="member"><span class="function"><a href="function.fann-set-activation-steepness.html" class="function" rel="rdfs-seeAlso">fann_set_activation_steepness()</a> - Sets the activation steepness for supplied neuron and layer number</span></li>
   </ul>
  </p>
 </div>



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